3x+(2x+5)-(4+7x)=

Solution for 3x+(2x+5)-(4+7x)= equation:

Simplifying
3x + (2x + 5) + -1(4 + 7x) = 0

Reorder the terms:
3x + (5 + 2x) + -1(4 + 7x) = 0

Remove parenthesis around (5 + 2x)
3x + 5 + 2x + -1(4 + 7x) = 0
3x + 5 + 2x + (4 * -1 + 7x * -1) = 0
3x + 5 + 2x + (-4 + -7x) = 0

Reorder the terms:
5 + -4 + 3x + 2x + -7x = 0

Combine like terms: 5 + -4 = 1
1 + 3x + 2x + -7x = 0

Combine like terms: 3x + 2x = 5x
1 + 5x + -7x = 0

Combine like terms: 5x + -7x = -2x
1 + -2x = 0

Solving
1 + -2x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + -2x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -2x = 0 + -1
-2x = 0 + -1

Combine like terms: 0 + -1 = -1
-2x = -1

Divide each side by '-2'.
x = 0.5

Simplifying
x = 0.5